MVC2中的Html.Partial（视图，模型）和Html.RenderPartial（视图，模型）有什么区别（如果有）？

Question

除了它返回的类型和您当然以不同的方式称呼的事实

<% Html.RenderPartial(...); %>
<%= Html.Partial(...) %>  

如果它们不同，为什么您要称呼一个而不是另一个？定义：

// Type: System.Web.Mvc.Html.RenderPartialExtensions
// Assembly: System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
// Assembly location: C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll

using System.Web.Mvc;

namespace System.Web.Mvc.Html
{
    public static class RenderPartialExtensions
    {
        public static void RenderPartial(this HtmlHelper htmlHelper, string partialViewName);
        public static void RenderPartial(this HtmlHelper htmlHelper, string partialViewName, ViewDataDictionary viewData);
        public static void RenderPartial(this HtmlHelper htmlHelper, string partialViewName, object model);

        public static void RenderPartial(this HtmlHelper htmlHelper, string partialViewName, object model,
                                     ViewDataDictionary viewData);
    }
}

// Type: System.Web.Mvc.Html.PartialExtensions
// Assembly: System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
// Assembly location: C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll

using System.Web.Mvc;

namespace System.Web.Mvc.Html
{
    public static class PartialExtensions
    {
        public static MvcHtmlString Partial(this HtmlHelper htmlHelper, string partialViewName);

        public static MvcHtmlString Partial(this HtmlHelper htmlHelper, string partialViewName,
                                        ViewDataDictionary viewData);

        public static MvcHtmlString Partial(this HtmlHelper htmlHelper, string partialViewName, object model);

        public static MvcHtmlString Partial(this HtmlHelper htmlHelper, string partialViewName, object model,
                                        ViewDataDictionary viewData);
    }
}

Answer 1

唯一的区别是Partial返回MvcHtmlString，必须在<%= %>内部调用，而RenderPartial返回void并直接呈现到视图。

[如果您查看source code，您会看到它们都调用相同的内部方法，并传递StringWriter使其呈现给它。

如果要查看，保存或操作生成的HTML而不是将其写入页面，则可以调用Partial。>>

Answer 2

This is a great explanation by Dino Esposito: